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Finding the Third Proportional to 18,268.66 and 39,910.22

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Solution

The third proportional to 18,268.66 and 39,910.22 is: 87,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.66 : 39,910.22 = 39,910.22 : x
  2. Step 2: Convert to fraction form
    18,268.66/39,910.22 = 39,910.22/x
  3. Step 3: Cross multiply
    18,268.66x = 39,910.22 × 39,910.22
  4. Step 4: Simplify right side
    18,268.66x = 1,592,825,560.67
  5. Step 5: Solve for x
    x = 1,592,825,560.67/18,268.66
  6. Step 6: Final answer
    x = 87,188.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.